Surname Gyx (Gyx 
) , throughout the world, is a very rare last name. The last name Gyx is characteristic of New Zealand, where it is a very rare surname, Thailand, where it is an extremely rare surname, and France. Not in comparison with a country's population, this name is the most popular in China, Thailand, and France. Also, Gyx is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gyx | France, New Zealand, United States, Thailand, China |